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Question 381.

A Falcon administrator wants to identify endpoints that have not checked in recently and may require investigation. Which information should be reviewed first?

1. Host last-seen and sensor status information
   2. Detection comments
   3. Device Control policy names
   4. Firewall rule descriptions

Correct Answer: 1. Host last-seen and sensor status information

Explanation:

Host last-seen and sensor status information provides the clearest indication of whether endpoints are actively communicating with the Falcon platform. If a system has not checked in recently, the administrator can investigate whether it is powered off, decommissioned, experiencing sensor problems, or unable to reach CrowdStrike cloud services. DNS, proxy settings, local sensor health, and firewall connectivity may also need review. Detection comments and Device Control settings do not directly indicate endpoint communication health, making host status the best starting point for this investigation.

Question 382.

A SOC manager wants analysts to review detections while allowing only senior responders to contain hosts. What should be configured?

1. One shared administrator account
   2. Role-based access with separate permission levels
   3. One unrestricted role for all SOC users
   4. A sensor update policy

Correct Answer: 2. Role-based access with separate permission levels

Explanation:

Role-based access allows CrowdStrike administrators to assign permissions according to job responsibilities. Analysts who only need to review detections can receive limited access, while senior responders can receive additional privileges such as host containment. This follows least-privilege principles and reduces the risk of accidental or unauthorized high-impact actions. Individual accounts also improve accountability because actions can be traced to specific users. Shared or unrestricted roles provide unnecessary privileges and weaken separation of duties, making scoped role assignments the safer administrative approach.

Question 383.

A dynamic host group is not including several endpoints that appear to meet its intended criteria. What should the administrator review first?

1. Dashboard theme
   2. Detection comments
   3. Dynamic group criteria and reported host attributes
   4. Sensor installer filename

Correct Answer: 3. Dynamic group criteria and reported host attributes

Explanation:

Dynamic host groups determine membership by evaluating defined rules against endpoint attributes. If expected systems are missing, the administrator should compare the group logic with the actual values reported by those hosts. Differences in hostname patterns, operating system information, tags, or other attributes can prevent systems from matching the rule. Dashboard themes and detection comments do not affect host-group membership. Reviewing both the configured criteria and actual endpoint data is therefore the most direct way to diagnose unexpected dynamic group behavior.

Question 384.

A workstation is confirmed to be compromised and communicating with malicious infrastructure. What should the security team do immediately?

1. Delete the detection
   2. Disable sensor updates
   3. Uninstall Falcon
   4. Network contain the workstation**

Correct Answer: 4. Network contain the workstation

Explanation:

Network containment restricts most normal communication from a compromised endpoint while preserving the connectivity required for Falcon investigation and response. This can interrupt command-and-control traffic, reduce lateral movement opportunities, and help prevent additional data exfiltration. Deleting the detection does not change endpoint behavior, while uninstalling the sensor would remove valuable security visibility. Containment is therefore the appropriate immediate action when compromise is confirmed and rapid isolation is needed while responders continue investigation and remediation.

Question 385.

A company wants to introduce a stricter prevention policy without risking widespread disruption. What should be done first?

1. Assign the policy to a representative pilot group
   2. Deploy the policy to every endpoint immediately
   3. Disable existing prevention policies
   4. Remove all exclusions

Correct Answer: 1. Assign the policy to a representative pilot group

Explanation:

A representative pilot group allows administrators to evaluate a stricter prevention policy on a limited endpoint population before broad deployment. This can reveal false positives, application compatibility problems, performance issues, or unexpected operational effects while minimizing risk. If the pilot behaves as expected, the policy can then be expanded gradually. Immediate organization-wide deployment could create widespread disruption if a setting is incorrect or overly aggressive. A staged rollout therefore provides a safer and more controlled method for introducing significant prevention changes.

Question 386.

A trusted business application is repeatedly triggering Falcon detections. What should the administrator do before creating an exclusion?

1. Disable Falcon on all affected systems
   2. Validate the application and create the narrowest justified exception
   3. Suppress all future detections from those hosts
   4. Remove the hosts from Falcon management

Correct Answer: 2. Validate the application and create the narrowest justified exception

Explanation:

Exclusions can create security gaps, so the application should first be validated and the reason for the detection understood. If an exception is necessary, it should be scoped as narrowly as possible to the specific file, process, path, behavior, or endpoint population where supported. Broad exclusions may hide unrelated malicious activity and unnecessarily weaken protection. Disabling Falcon or suppressing all detections would reduce visibility far more than necessary. Careful validation and narrow scoping provide a better balance between application compatibility and endpoint security.

Question 387.

A security engineer wants to detect a suspicious command-line and process relationship unique to the organization. Which Falcon capability should be considered?

1. Sensor Update Policy
   2. Device Control
   3. Custom Indicators of Attack
   4. Firewall Management

Correct Answer: 3. Custom Indicators of Attack

Explanation:

Custom Indicators of Attack allow organizations to define behavior-based detection logic tailored to their own threat model. These rules can identify suspicious command lines, parent-child process relationships, or execution patterns that may indicate malicious behavior. Unlike static indicators such as file hashes, IOAs focus on behavioral characteristics and can remain useful even when individual files change. Custom IOAs should be tested carefully to reduce false positives and unintended blocking. Sensor update and Device Control policies serve different administrative functions.

Question 388.

A company wants to centrally manage endpoint firewall rules for different server and workstation groups. Which capability should be used?

1. Device Control
   2. Real Time Response
   3. Host containment
   4. Firewall Management**

Correct Answer: 4. Firewall Management

Explanation:

Firewall Management allows administrators to centrally define and enforce supported endpoint firewall policies. Different rule sets can be assigned to different host groups so servers and workstations receive network controls appropriate to their roles. This helps maintain consistency and reduces local firewall configuration drift. Host containment is intended for incident response rather than routine firewall administration, while Device Control manages removable media. Firewall Management is therefore the correct Falcon capability for centralized endpoint firewall policy administration.

Question 389.

A threat hunter receives a malicious file hash and wants to determine whether it appeared on additional endpoints. What should be used?

1. Threat hunting or event search
   2. Sensor Update Policy
   3. Device Control
   4. Firewall Management

Correct Answer: 1. Threat hunting or event search

Explanation:

Threat hunting and event-search capabilities allow analysts to query Falcon telemetry for file hashes, domains, IP addresses, processes, command lines, and other indicators. Searching for the malicious hash can reveal other endpoints where the file appeared and provide context about execution or related activity. This helps determine incident scope and identify systems requiring additional investigation or remediation. Sensor update policies and Device Control manage endpoint configuration rather than historical telemetry, so threat hunting is the appropriate approach for this task.

Question 390.

A company wants test systems to receive newer Falcon sensor versions before production servers. What should the administrator configure?

1. Separate detection exclusions
   2. Separate sensor update policies
   3. Separate dashboard views
   4. Separate detection comments

Correct Answer: 2. Separate sensor update policies

Explanation:

Sensor update policies allow administrators to manage Falcon sensor versions differently across endpoint populations. Test systems can receive newer releases first so compatibility and stability can be evaluated before those versions are introduced to production servers. Host groups can then be used to assign the appropriate policy to each population. This staged approach reduces operational risk while allowing controlled adoption of new releases. Detection exclusions and dashboard views do not manage sensor versions, making separate sensor update policies the correct configuration.

Question 391.

A company wants security policies to be applied consistently by department and system role without configuring every endpoint individually. What should be used?

1. Host groups with policy assignments
   2. Shared administrator accounts
   3. Detection comments
   4. Manual per-host configuration

Correct Answer: 1. Host groups with policy assignments

Explanation:

Host groups provide a scalable way to organize endpoints according to department, operating system, system role, location, or other relevant characteristics. Policies can then be assigned to those groups so systems receive consistent prevention, sensor update, firewall, and other configurations. Dynamic grouping can automate membership further. Manual per-host configuration becomes difficult to maintain in larger environments and increases the risk of inconsistency. Group-based administration is therefore a more efficient and manageable approach for applying Falcon policies at scale.

Question 392.

An incident responder needs to remotely inspect files, running processes, and system information on a suspicious endpoint. Which capability should be used?

1. Device Control
   2. Real Time Response
   3. Sensor Update Policy
   4. Firewall Management

Correct Answer: 2. Real Time Response

Explanation:

Real Time Response enables authorized responders to remotely interact with Falcon-managed endpoints for investigation and remediation. Depending on assigned permissions, analysts can inspect files, processes, directories, and system information and may perform approved response actions. This can significantly accelerate incident response when physical access is unavailable. Device Control manages peripherals, while sensor update and firewall policies serve different purposes. Because Real Time Response provides powerful endpoint access, it should be restricted through properly scoped roles and operational controls.

Question 393.

An endpoint belongs to multiple host groups associated with different policies of the same type. What should the administrator review to determine which policy takes effect?

1. Endpoint screen resolution
   2. Detection comment history
   3. Policy precedence
   4. Sensor installation filename

Correct Answer: 3. Policy precedence

Explanation:

When an endpoint is eligible for multiple policies of the same type, policy precedence determines which applicable policy becomes effective. The administrator should review the host’s group memberships, policy assignments, and the relative priority of those policies. A host can legitimately belong to several groups while still receiving only one effective configuration. Display settings, detection comments, and sensor installer filenames do not affect policy selection. Understanding precedence is therefore essential for predictable Falcon policy administration and troubleshooting.

Question 394.

A compromised endpoint has been remediated, but responders have not yet confirmed that persistence mechanisms are gone. What should be done?

1. Release containment immediately
   2. Delete the host record
   3. Uninstall the sensor
   4. Keep the endpoint contained until remediation is validated**

Correct Answer: 4. Keep the endpoint contained until remediation is validated

Explanation:

Containment should generally remain in place until responders confirm that malicious processes, persistence mechanisms, and other indicators of compromise have been removed. Releasing the endpoint too early could allow residual malicious activity to resume communication with other systems or external infrastructure. Deleting the host record or uninstalling Falcon would reduce visibility and response capabilities. Keeping the system contained while validation continues helps limit risk and preserves the ability to investigate further before restoring normal network access.

Question 395.

A company wants to block unauthorized USB storage while allowing approved business peripherals. What should the administrator configure?

1. Device Control policies based on device type and business requirements
   2. Network containment for all endpoints
   3. Sensor Update Policies
   4. Custom IOAs for every USB peripheral

Correct Answer: 1. Device Control policies based on device type and business requirements

Explanation:

Device Control provides policy-based management of supported removable and peripheral devices. Administrators can restrict unauthorized storage devices while allowing approved peripherals required for normal business operations. This is more flexible than disabling all USB functionality and helps reduce data-loss and malware-introduction risks without unnecessarily affecting legitimate devices. Network containment is intended for incident response, and sensor update policies manage Falcon versions. Device Control is therefore the appropriate capability for balancing removable-device security with usability.

Question 396.

A Falcon administrator confirms that a business application requires an exclusion. What is the safest approach?

1. Exclude the entire system drive
   2. Create the narrowest exception that resolves the verified issue
   3. Disable prevention on all affected systems
   4. Suppress every detection from those systems

Correct Answer: 2. Create the narrowest exception that resolves the verified issue

Explanation:

The safest exclusion is the smallest one that resolves the legitimate application issue. Broad exceptions can create large blind spots and may allow unrelated malicious behavior to escape detection or prevention. After validating the application’s behavior, the administrator should scope the exception as specifically as supported, such as to a file, process, path, behavior, or limited host population. Disabling prevention or suppressing all activity from affected systems would unnecessarily weaken security. Narrow exclusions preserve the strongest practical Falcon coverage.

Question 397.

A security team wants to detect an organization-specific suspicious execution pattern not adequately covered by existing detections. Which capability should be considered?

1. Firewall Management
   2. Sensor Update Policy
   3. Custom Indicators of Attack
   4. Host containment

Correct Answer: 3. Custom Indicators of Attack

Explanation:

Custom Indicators of Attack allow organizations to create behavior-based detections for suspicious activity specific to their environment. Security teams can define logic around process relationships, command-line patterns, or execution behavior associated with known attack techniques or internal threat models. This supplements built-in detections with custom behavioral coverage. Custom IOAs should be tested carefully before wide deployment to minimize false positives or unintended blocking. Firewall Management and sensor update policies serve different administrative purposes and do not provide custom behavior detection.

Question 398.

A newly installed Falcon sensor does not appear in the console. What should the administrator investigate first?

1. Device Control policy
   2. Detection severity
   3. Dashboard layout
   4. Sensor installation, Customer ID configuration, and cloud connectivity**

Correct Answer: 4. Sensor installation, Customer ID configuration, and cloud connectivity

Explanation:

A Falcon sensor must be installed successfully, associated with the correct customer environment, and able to communicate with CrowdStrike cloud services. The administrator should verify the installation, Customer ID configuration, sensor service status, DNS resolution, proxy settings, firewall access, and general network connectivity. Device Control and dashboard settings do not determine whether a sensor successfully registers. Troubleshooting should therefore begin with deployment and communication fundamentals before examining unrelated Falcon configuration or policy settings.

Question 399.

A Falcon administrator plans a policy change that could affect thousands of production endpoints. What should be done before broad deployment?

1. Test the change on a representative pilot group
   2. Apply it immediately to all endpoints
   3. Remove existing policies
   4. Disable host grouping

Correct Answer: 1. Test the change on a representative pilot group

Explanation:

A representative pilot group allows administrators to evaluate a major policy change under realistic conditions while limiting potential disruption. Testing can reveal false positives, application conflicts, performance issues, or unexpected behavior before the change reaches thousands of endpoints. If the pilot performs successfully, rollout can be expanded gradually. Applying an untested policy broadly creates unnecessary operational risk. Staged testing and deployment provide a safer and more controlled approach to significant Falcon configuration changes.

Question 400.

Before deploying several major Falcon configuration changes in production, what should the administrator validate?

1. Only policy names
   2. Only the total endpoint count
   3. Only dashboard visibility
   4. Targeting, precedence, permissions, endpoint impact, and rollback planning**

Correct Answer: 4. Targeting, precedence, permissions, endpoint impact, and rollback planning

Explanation:

Major Falcon configuration changes should be validated comprehensively before production rollout. Administrators should confirm that policies target the intended host groups, understand policy precedence, verify administrative permissions, and test representative endpoints for operational and application impact. Sensor behavior, firewall changes, exclusions, and other affected controls should be reviewed where relevant. A rollback or recovery plan should also be prepared in case unexpected issues occur. Thorough validation and staged deployment help improve security while reducing the risk of widespread disruption.